<tr>
    <td width="70%" align="left" valign="top">

<% form_tag admin_districts_path, :method => :post do -%>
  <%= render :partial => 'form' %>
  <%= submit_tag "确定" %>
<% end -%>

<%= link_to 'Back', admin_districts_path %>

</td>
    <td width="30%" align="left" valign="top">
</td>
  </tr>